package com.lf.sp.common;

import java.io.Serializable;

import org.codehaus.jackson.annotate.JsonIgnore;
import org.codehaus.jackson.map.annotate.JsonSerialize;
/**
 * 
 * @author ha
 *
 * @param <T>
 */
@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
//保证在序列化json的时候如果是null的对象，key也会消失
public class ServerResponse<T> implements Serializable {

	private int status;
	private String msg;
	private  T data;
	
	private ServerResponse(int status){
		this.status = status;
	}
	private ServerResponse(int status,String msg){
		this.status = status;
		this.msg = msg;
	}
	private ServerResponse(int status , String msg , T data){
		this.status = status;
		this.msg = msg;
		this.data = data;
	}
	private ServerResponse(int status , T data){
		this.status = status;
		this.data = data;
	}
	@JsonIgnore
	//使之不再json序列化的结果当中
	public boolean isSuccess(){
		return this.status == ResponseCode.SUCCESS.getCode();
	}
	
	public int getStatus(){
		return status;
	}
	public String getMsg(){
		return msg;
	}
	public T getData(){
		return data;
	}
	
	public static <T> ServerResponse<T> createBySuccess(){
		return new ServerResponse<T>(ResponseCode.SUCCESS.getCode());
	}
	
	public static <T> ServerResponse<T> createBySuccessMessage(String msg){
		return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(), msg);
	}
	
	public static <T> ServerResponse<T> createBySuccess(T data){
		return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),data);
	}
	
	public static <T> ServerResponse<T> createBySuccess(String msg,T data){
		return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg,data);
	}
	
	public static <T> ServerResponse<T> createByError(){
		return new ServerResponse<T>(ResponseCode.ERROR.getCode(),ResponseCode.ERROR.getDesc());
	}
	 
	public static <T> ServerResponse<T> createByErrorMessage(String errorMessage){
		return new ServerResponse<T>(ResponseCode.ERROR.getCode(),errorMessage);
		
	}
	
	public static <T> ServerResponse<T> createByErrorCodeMessage(int errorCode, String errorMessage){
		return new ServerResponse<T>(errorCode,errorMessage);
	}
}
